Question: Who studied the musical score Mozart's Requiem?
Paraphrase: Who considered the melodic score Mozart's Composition?
SPARQL (Wikidata): SELECT ?answer WHERE { wd:Q207875 wdt:P86 ?X . ?X wdt:P802 ?answer}
Answer: Johann Nepomuk Hummel, Franz Xaver Süssmayr, Ignaz von Seyfried, Barbara Ployer, Thomas Attwood